/* ==========================================================================
   Compliance Hub — 设计系统
   纸面暖白 + 墨色正文 + 单一信任绿强调色；警示色只用于风险语义。
   ========================================================================== */

:root {
  --paper: #fbfaf7;
  --surface: #ffffff;
  --tint: #f3f1ea;
  --ink: #101a24;
  --ink-2: #3a4753;
  --ink-3: #616c79;
  --line: #e4e1d8;
  --line-2: #d2cec2;

  --accent: #0f6c82;
  --accent-2: #0a4c5c;
  --accent-soft: #e1f0f3;
  --info: #1d4e89;
  --info-soft: #e5edf7;
  --warn: #a9540c;
  --warn-soft: #fbede0;
  --ok: #0f7539;
  --ok-soft: #e2f2e7;
  --bad: #a3271f;
  --bad-soft: #fbe9e7;

  --r-sm: 4px;
  --r: 6px;
  --r-lg: 8px;
  --shadow: 0 1px 2px rgba(18, 22, 27, 0.04), 0 8px 24px -16px rgba(18, 22, 27, 0.18);
  --maxw: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC',
    'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  margin: 0;
  line-height: 1.22;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.12;
}

h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.95rem);
}

h3 {
  font-size: 1.0625rem;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

a:hover {
  color: var(--accent-2);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

code {
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.875em;
}

strong {
  color: var(--ink);
  font-weight: 650;
}

dl,
dd,
dt {
  margin: 0;
}

.i {
  flex: none;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 区块与标题 ---------- */

.band {
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.band--tight {
  padding: 56px 0;
}

.band--tint {
  background: var(--tint);
}

.band--ink {
  background: var(--ink);
  border-top-color: #232a33;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 650;
  color: var(--accent);
  text-transform: none;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-head.is-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  margin-bottom: 12px;
}

.lead {
  font-size: 1.0625rem;
  color: var(--ink-2);
  line-height: 1.75;
}

.muted {
  color: var(--ink-3);
  font-size: 0.9375rem;
}

.section-count {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-3);
  margin-left: 8px;
}

.band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

/* ---------- 按钮与徽标 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--r);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
  white-space: nowrap;
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-2);
  color: #fff;
}

.btn--ghost {
  background: var(--surface);
  border-color: var(--line-2);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}

.btn--ghost-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.28);
  color: #eef1f0;
}

.btn--ghost-light:hover {
  border-color: #fff;
  color: #fff;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.7;
  white-space: nowrap;
  background: #eceae3;
  color: var(--ink-2);
}

.badge--accent {
  background: var(--accent-soft);
  color: var(--accent-2);
}

.badge--info {
  background: var(--info-soft);
  color: #17497f;
}

.badge--warn {
  background: var(--warn-soft);
  color: var(--warn);
}

.badge--ok {
  background: var(--ok-soft);
  color: var(--ok);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
}

.link-arrow .i {
  transition: transform 0.16s ease;
}

.link-arrow:hover .i {
  transform: translateX(3px);
}

/* ---------- 页头导航 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  /* 注意：这里不能用 backdrop-filter / transform，否则会成为 fixed 定位的包含块，
     导致移动端抽屉式导航无法铺满视口。 */
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  flex: none;
}

.brand:hover {
  color: var(--ink);
}

.brand-logo {
  display: block;
  height: 40px;
  width: auto;
}

.brand-logo--footer {
  height: 38px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
}

.nav-link {
  padding: 8px 11px;
  border-radius: var(--r-sm);
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.nav-link:hover {
  background: #efece4;
  color: var(--ink);
}

.nav-link.is-active {
  color: var(--accent);
  font-weight: 600;
}

.nav-link--mobile-cta {
  display: none;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  border-radius: var(--r);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle-close {
  display: none;
}

/* ---------- 页脚 ---------- */

.site-footer {
  background: var(--tint);
  border-top: 1px solid var(--line);
  padding: 64px 0 28px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) 2.6fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand p {
  margin: 16px 0 0;
  color: var(--ink-3);
  font-size: 0.9375rem;
  max-width: 30ch;
}

.footer-mail a {
  font-weight: 600;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.footer-col h3 {
  font-size: 0.875rem;
  color: var(--ink);
  margin-bottom: 14px;
}

.footer-col li + li {
  margin-top: 9px;
}

.footer-col a {
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 0.8125rem;
}

.footer-legal p {
  margin: 0;
}

.footer-legal a {
  color: inherit;
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.beian-icon {
  display: inline-block;
  vertical-align: -3px;
  margin-right: 5px;
}

.footer-beian .sep {
  opacity: 0.55;
}

/* ---------- 首页 Hero ---------- */

.hero {
  padding: 76px 0 84px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 60px;
  align-items: center;
}

.hero-copy h1 {
  margin-bottom: 20px;
}

.hl {
  color: var(--accent);
}

.hero-copy h1::after {
  content: '';
  display: block;
}

.hero-copy .lead {
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 22px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--ink-3);
  font-size: 0.875rem;
}

.hero-facts li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-facts .i {
  color: var(--accent);
}

/* ---------- 快速自查组件 ---------- */

.checker {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: 24px;
}

.checker-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.checker-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--accent);
}

.checker-head h2 {
  font-size: 1.125rem;
}

.checker-count {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
  white-space: nowrap;
}

.checker-list {
  padding: 6px 0;
}

.checker-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.checker-item p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink);
}

.seg {
  display: inline-flex;
  flex: none;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
}

.seg-btn {
  border: 0;
  background: var(--surface);
  color: var(--ink-3);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: inherit;
  padding: 5px 11px;
  cursor: pointer;
}

.seg-btn + .seg-btn {
  border-left: 1px solid var(--line-2);
}

.seg-btn:hover {
  background: #f2efe8;
  color: var(--ink);
}

.seg-btn[aria-pressed='true']:first-child {
  background: var(--ok-soft);
  color: var(--ok);
}

.seg-btn[aria-pressed='true']:last-child {
  background: var(--warn-soft);
  color: var(--warn);
}

.checker-result {
  padding: 18px 0 4px;
}

.meter {
  height: 5px;
  background: #eceae3;
  border-radius: 999px;
  overflow: hidden;
}

.meter span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--ink-3);
  border-radius: 999px;
  transition: width 0.28s ease, background 0.2s ease;
}

.checker[data-state='good'] .meter span {
  background: var(--ok);
}

.checker[data-state='warn'] .meter span {
  background: var(--warn);
}

.checker[data-state='bad'] .meter span {
  background: var(--bad);
}

.checker-verdict {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.checker-verdict strong {
  font-size: 1.0625rem;
}

.checker-verdict span {
  font-size: 0.875rem;
  color: var(--ink-3);
}

.checker-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.checker-foot p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
  max-width: 40ch;
}

/* ---------- 治理三层 ---------- */

.layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.layer {
  padding: 32px 28px 32px 0;
  border-right: 1px solid var(--line);
}

.layer + .layer {
  padding-left: 28px;
}

.layer:last-child {
  border-right: 0;
  padding-right: 0;
}

.layer header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  margin-bottom: 16px;
}

.layer-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r);
  font-size: 0.8125rem;
  font-weight: 700;
  background: var(--accent-soft);
  color: var(--accent-2);
}

.layer--info .layer-code {
  background: var(--info-soft);
  color: #17497f;
}

.layer--warn .layer-code {
  background: var(--warn-soft);
  color: var(--warn);
}

.layer header h3 {
  font-size: 1.125rem;
}

.layer-meta {
  margin: 3px 0 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.layer-status {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-3);
  white-space: nowrap;
  padding-top: 6px;
}

.layer-desc {
  font-size: 0.9375rem;
  margin-bottom: 18px;
}

.layer-facts {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.8125rem;
}

.layer-facts dt {
  color: var(--ink-3);
}

.layer-facts dt::after {
  content: '：';
}

.layer-facts dd {
  color: var(--ink);
  font-weight: 600;
}

.ticks li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.9375rem;
  margin-bottom: 10px;
}

.ticks li .i {
  margin-top: 4px;
  color: var(--accent);
}

.ticks--lg li {
  font-size: 1rem;
  margin-bottom: 12px;
}

.layer .link-arrow {
  margin-top: 18px;
}

/* ---------- 工具分档 ---------- */

.tool-tiers {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-2);
}

.tool-tier {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-2);
}

.tool-tier-head h3 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}

.tool-tier-head p {
  font-size: 0.875rem;
  color: var(--ink-3);
  margin: 0;
}

.tool-tier-price {
  margin-top: 10px !important;
  font-size: 0.875rem !important;
  font-weight: 650;
  color: var(--accent) !important;
}

.tool-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}

.tool-chips a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 550;
}

.tool-chips a:hover {
  border-color: var(--accent);
  color: var(--accent-2);
}

.tool-chips a span {
  font-size: 0.75rem;
  color: var(--ink-3);
  font-weight: 500;
}

/* ---------- 知识底座 ---------- */

.knowledge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.knowledge-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 4px;
}

.knowledge-head h3 {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 1.0625rem;
}

.knowledge-head h3 .i {
  color: var(--accent);
}

.knowledge-head span {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.row-list li {
  border-bottom: 1px solid var(--line);
}

.row-list a {
  display: block;
  padding: 14px 0;
  color: var(--ink);
}

.row-list a:hover .row-title {
  color: var(--accent);
}

.row-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
}

.row-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 5px;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.knowledge-col .link-arrow {
  margin-top: 20px;
}

/* ---------- 步骤 ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.step {
  padding-top: 22px;
  border-top: 2px solid var(--ink);
}

.step-no {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.step h3 {
  font-size: 1.0625rem;
  margin-bottom: 10px;
}

.step p {
  font-size: 0.9375rem;
  margin: 0;
}

/* ---------- 质量与数据 ---------- */

.quality {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.quality-list {
  margin: 26px 0;
  border-top: 1px solid var(--line);
}

.quality-list li {
  display: grid;
  grid-template-columns: 20px 130px 1fr;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
}

.quality-list .i {
  color: var(--accent);
}

.quality-list span:last-child {
  color: var(--ink-3);
  font-size: 0.875rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.stat-grid--wide {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
}

.stat {
  background: var(--surface);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
}

.stat-note {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

/* ---------- 结尾条 ---------- */

.band--ink .closing {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.closing h2 {
  color: #fff;
  margin-bottom: 12px;
}

.closing p {
  color: #a9b2bd;
  margin: 0;
  max-width: 56ch;
}

.closing-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- 内页页头 ---------- */

.page-hero {
  padding: 60px 0 64px;
  border-top: 1px solid var(--line);
}

.page-hero + .band {
  padding-top: 56px;
}

.page-hero h1 {
  margin-bottom: 18px;
  max-width: 24ch;
}

.page-hero .lead {
  max-width: 68ch;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 0.875rem;
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-actions + .hero-meta {
  margin-top: 22px;
}

/* ---------- 面包屑 ---------- */

.crumbs {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.crumbs .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.crumbs a {
  color: var(--ink-3);
}

.crumbs a:hover {
  color: var(--accent);
}

.crumb-sep {
  color: var(--line-2);
}

/* ---------- 筛选栏 ---------- */

.filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  padding-bottom: 26px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.8125rem;
  color: var(--ink-3);
  margin-right: 2px;
}

.chip {
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 550;
  cursor: pointer;
}

.chip:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}

.chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink-3);
  min-width: 260px;
  flex: 1 1 240px;
  max-width: 340px;
}

.search input {
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--ink);
  padding: 9px 0;
  width: 100%;
}

.filter-count {
  margin: 0 0 0 auto;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.empty-state {
  padding: 40px 0;
  text-align: center;
  color: var(--ink-3);
}

/* ---------- 表格 ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 0.9375rem;
}

.data-table thead th {
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
  background: var(--tint);
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover {
  background: #faf9f5;
}

.data-table tr.is-target {
  background: var(--accent-soft);
}

.data-table tr {
  scroll-margin-top: 88px;
}

.cell-title {
  display: block;
  font-weight: 650;
  color: var(--ink);
}

.cell-title--link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cell-title--link .i {
  color: var(--ink-3);
  transition: color 0.16s ease;
}

.cell-title--link:hover {
  color: var(--accent);
}

.cell-title--link:hover .i {
  color: var(--accent);
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--accent);
  white-space: nowrap;
}

.download-link:hover {
  color: var(--accent-2);
  text-decoration: underline;
}

.cell-sub {
  display: block;
  margin-top: 4px;
  font-size: 0.8125rem;
  color: var(--ink-3);
  font-weight: 400;
  max-width: 46ch;
}

.cell-juris {
  display: block;
  font-weight: 600;
  color: var(--ink);
}

.cell-juris small {
  display: block;
  margin-top: 2px;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--ink-3);
}

.trigger {
  display: inline-block;
  padding: 3px 8px;
  background: var(--tint);
  border-radius: var(--r-sm);
  color: var(--ink-2);
  font-size: 0.8125rem;
  white-space: nowrap;
}

/* ---------- 分档卡片 ---------- */

.tier-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tier-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-lg);
  padding: 22px;
}

.tier-card--check {
  border-top-color: var(--info);
}

.tier-card--audit {
  border-top-color: var(--warn);
}

.tier-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.tier-card p {
  font-size: 0.9375rem;
  margin: 0 0 10px;
}

.tier-price {
  font-weight: 650;
  color: var(--ink) !important;
  margin: 0 !important;
}

/* ---------- 法规列表 ---------- */

.reg-list {
  border-top: 1px solid var(--line);
}

.reg-item {
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.reg-item-main {
  display: block;
  flex: 1;
  padding: 26px 0;
  color: inherit;
  min-width: 0;
}

.reg-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.reg-item-head h2 {
  font-size: 1.125rem;
  max-width: 60ch;
}

.reg-item-main:hover h2 {
  color: var(--accent);
}

.reg-badges {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.reg-item-summary {
  margin: 10px 0 12px;
  font-size: 0.9375rem;
  color: var(--ink-2);
  max-width: 92ch;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.reg-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-size: 0.8125rem;
}

.reg-item-meta div {
  display: flex;
  gap: 6px;
}

.reg-item-meta dt {
  color: var(--ink-3);
}

.reg-item-meta dd {
  color: var(--ink);
  font-weight: 550;
}

.reg-item-go {
  color: var(--line-2);
  flex: none;
  transition: color 0.16s ease, transform 0.16s ease;
}

.reg-item:hover .reg-item-go {
  color: var(--accent);
  transform: translateX(3px);
}

/* ---------- 案例网格 ---------- */

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.case-card:hover {
  border-color: var(--line-2);
  box-shadow: var(--shadow);
}

.case-card-top {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.case-card h2 {
  font-size: 1.0625rem;
  line-height: 1.4;
  margin-bottom: 10px;
}

.case-card h2 a {
  color: var(--ink);
}

.case-card h2 a:hover {
  color: var(--accent);
}

.case-card > p {
  font-size: 0.9375rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-facts {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  font-size: 0.875rem;
}

.case-facts div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.case-facts dt {
  color: var(--ink-3);
}

.case-facts dd {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}

.case-facts .result {
  color: var(--accent-2);
}

.case-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
}

.case-card:hover .case-more .i {
  transform: translateX(3px);
}

.case-more .i {
  transition: transform 0.16s ease;
}

/* ---------- 详情页 ---------- */

.doc {
  padding: 40px 0 72px;
}

.doc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 64px;
  align-items: start;
}

.doc-head {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.doc-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.doc-head h1 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  margin-bottom: 16px;
  max-width: 30ch;
}

.doc-section {
  padding-top: 36px;
}

.doc-section h2 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.doc-aside {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 16px;
}

.aside-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
}

.aside-card h2 {
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.aside-card .btn {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
  white-space: normal;
  text-align: center;
  overflow-wrap: anywhere;
}

.aside-card--note {
  background: var(--accent-soft);
  border-color: #c8e0d9;
}

.aside-card--note p {
  font-size: 0.9375rem;
  margin: 0;
}

.meta-list {
  display: grid;
  gap: 0;
}

.meta-list div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
}

.meta-list div:last-child {
  border-bottom: 0;
}

.meta-list dt {
  color: var(--ink-3);
  flex: none;
}

.meta-list dd {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}

.meta-list--wide div {
  padding: 14px 0;
  font-size: 0.9375rem;
}

.case-links li {
  border-bottom: 1px solid var(--line);
}

.case-links li:first-child {
  border-top: 1px solid var(--line);
}

.case-links a {
  display: block;
  padding: 16px 0;
  color: var(--ink);
}

.case-links a:hover .case-link-title {
  color: var(--accent);
}

.case-link-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
}

.case-link-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.outcome {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-lg);
}

.outcome-label {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
}

.outcome p {
  margin: 0;
  color: var(--ink-3);
  font-size: 0.875rem;
}

.disclaimer p {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-3);
}

.disclaimer code {
  overflow-wrap: anywhere;
}

.disclaimer .i {
  margin-top: 3px;
  color: var(--warn);
}

/* ---------- 治理页 ---------- */

.thought {
  max-width: 820px;
}

.thought blockquote {
  margin: 0 0 24px;
  padding: 0 0 0 24px;
  border-left: 3px solid var(--accent);
}

.thought blockquote p {
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.layers--detail {
  border-top: 0;
}

.layers--detail .layer {
  border-top: 1px solid var(--line);
  padding-top: 30px;
}

.stack {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line-2);
}

.stack-item {
  padding: 26px 20px 26px 0;
  border-right: 1px solid var(--line-2);
}

.stack-item + .stack-item {
  padding-left: 20px;
}

.stack-item:last-child {
  border-right: 0;
  padding-right: 0;
}

.stack-no {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.stack-icon {
  display: inline-flex;
  color: var(--ink);
  margin-bottom: 12px;
}

.stack-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.stack-item p {
  font-size: 0.875rem;
  margin: 0;
}

.compare {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}

.compare-head {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  background: var(--tint);
  border-bottom: 1px solid var(--line-2);
}

.compare-head span {
  padding: 12px 22px;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  border-bottom: 1px solid var(--line);
}

.compare-row:last-child {
  border-bottom: 0;
}

.compare-myth,
.compare-view {
  padding: 20px 22px;
}

.compare-myth {
  color: var(--ink-3);
  font-size: 0.9375rem;
  border-right: 1px solid var(--line);
}

.compare-view strong {
  display: block;
  margin-bottom: 6px;
}

.compare-view p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-3);
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.roadmap-item {
  padding-top: 20px;
  border-top: 2px solid var(--line-2);
}

.roadmap-item.is-done {
  border-top-color: var(--accent);
}

.roadmap-phase {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink-3);
  margin-bottom: 10px;
}

.roadmap-item.is-done .roadmap-phase {
  color: var(--accent);
}

.roadmap-item h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.roadmap-item p {
  font-size: 0.875rem;
  margin-bottom: 12px;
}

.roadmap-state {
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
}

.roadmap-item.is-done .roadmap-state {
  color: var(--ok);
}

/* ---------- 工作原理 ---------- */

.flow {
  position: relative;
  border-top: 1px solid var(--line);
}

.flow-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.flow-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 700;
}

.flow-item:nth-child(2) .flow-marker {
  background: var(--accent);
}

.flow-body h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.flow-body p {
  max-width: 74ch;
  margin-bottom: 12px;
}

.code-line {
  display: inline-block;
  padding: 5px 12px;
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--ink-2);
  font-size: 0.8125rem;
}

.distil {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 64px;
  align-items: center;
}

.distil-diagram {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  text-align: center;
}

.diagram-node {
  padding: 14px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r);
  background: var(--paper);
  color: var(--ink);
  font-weight: 650;
  font-size: 0.9375rem;
}

.diagram-node small {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-3);
}

.diagram-node--engine {
  background: var(--accent-soft);
  border: 1px solid #c8e0d9;
  border-style: solid;
  color: var(--accent-2);
}

.diagram-node--engine small {
  color: var(--accent);
}

.diagram-arrow {
  color: var(--line-2);
  padding: 8px 0;
}

.diagram-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.diagram-chip {
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  font-size: 0.8125rem;
  color: var(--ink-2);
}

.quality-gates {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gate {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.gate-no {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.gate h3 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}

.gate p {
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.host-list {
  border-top: 1px solid var(--line-2);
}

.host {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-2);
}

.host h3 {
  font-size: 1.0625rem;
  margin-bottom: 4px;
}

.host p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-3);
}

/* ---------- 定价 ---------- */

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.plan {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.plan header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.plan-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 12px;
  line-height: 1.1;
}

.plan-price span {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-3);
}

.plan-desc {
  font-size: 0.9375rem;
  margin-bottom: 20px;
}

.plan .ticks {
  margin-bottom: 26px;
}

.plan .btn {
  margin-top: auto;
  justify-content: center;
}

.credit-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
}

.credit-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
}

.credit-card h3 {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 1.0625rem;
  margin-bottom: 20px;
}

.credit-card h3 .i {
  color: var(--accent);
}

.mini-table {
  width: 100%;
  border-collapse: collapse;
}

.mini-table th,
.mini-table td {
  text-align: left;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
  vertical-align: top;
}

.mini-table thead th {
  font-size: 0.75rem;
  color: var(--ink-3);
  font-weight: 650;
}

.mini-table tbody th {
  font-weight: 600;
  color: var(--ink);
}

.mini-table tbody th span {
  display: block;
  margin-top: 3px;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-3);
}

.mini-table tbody td {
  text-align: right;
  white-space: nowrap;
  font-weight: 650;
  color: var(--accent-2);
}

.spend-list {
  border-top: 1px solid var(--line);
  margin-bottom: 22px;
}

.spend-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
}

.spend-list strong {
  color: var(--ink);
}

.pack-list {
  display: grid;
  gap: 10px;
}

.pack {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper);
}

.pack.is-featured {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.pack-amount {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink);
}

.pack-credits {
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.pack-credits em {
  font-style: normal;
  margin-left: 8px;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--accent);
}

.pack-total {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.credit-note {
  margin-top: 16px;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.faq-wrap {
  max-width: 900px;
}

.faq {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .i {
  color: var(--ink-3);
  transition: transform 0.18s ease;
}

.faq-item[open] summary .i {
  transform: rotate(180deg);
}

.faq-item p {
  padding: 0 0 22px;
  max-width: 76ch;
  color: var(--ink-2);
}

/* ---------- 关于 ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: start;
}

.contrast {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}

.contrast-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--tint);
  border-bottom: 1px solid var(--line-2);
}

.contrast-head span {
  padding: 12px 20px;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
}

.contrast-head span:last-child {
  color: var(--accent);
}

.contrast-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.contrast-row:last-child {
  border-bottom: 0;
}

.contrast-them,
.contrast-us {
  padding: 16px 20px;
  font-size: 0.875rem;
}

.contrast-them {
  color: var(--ink-3);
  border-right: 1px solid var(--line);
}

.contrast-us {
  color: var(--ink);
  font-weight: 600;
}

.thesis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-2);
}

.thesis-item {
  padding: 28px 28px 28px 0;
  border-right: 1px solid var(--line-2);
}

.thesis-item + .thesis-item {
  padding-left: 28px;
}

.thesis-item:last-child {
  border-right: 0;
  padding-right: 0;
}

.thesis-icon {
  display: inline-flex;
  color: var(--accent);
  margin-bottom: 14px;
}

.thesis-item h3 {
  font-size: 1.0625rem;
  margin-bottom: 10px;
}

.thesis-item p {
  font-size: 0.9375rem;
  margin: 0;
}

.contact-card {
  background: var(--ink);
  border-radius: var(--r-lg);
  padding: 30px;
}

.contact-card--wide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}

.contact-card h3 {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #fff;
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.contact-card h3 .i {
  color: #7fcbb4;
}

.contact-card p {
  color: #a9b2bd;
  font-size: 0.9375rem;
}

.contact-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.contact-card .btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.28);
  color: #eef1f0;
}

.contact-card .btn--ghost:hover {
  border-color: #fff;
  color: #fff;
}

/* ---------- 生态协同 ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.pillar {
  padding: 30px 28px 30px 0;
  border-right: 1px solid var(--line);
}

.pillar + .pillar {
  padding-left: 28px;
}

.pillar:last-child {
  border-right: 0;
  padding-right: 0;
}

.pillar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r);
  background: var(--accent-soft);
  color: var(--accent-2);
  margin-bottom: 16px;
}

.pillar-tag {
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
}

.pillar h3 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.pillar-role {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 14px;
}

.pillar-desc {
  font-size: 0.9375rem;
  margin-bottom: 18px;
}

.pillar .link-arrow {
  margin-top: 16px;
}

.flywheel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-2);
}

.flywheel-step {
  padding: 24px 26px 24px 0;
  border-right: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}

.flywheel-step:nth-child(3n) {
  border-right: 0;
}

.flywheel-step:not(:nth-child(3n + 1)) {
  padding-left: 26px;
}

.flywheel-no {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}

.flywheel-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.flywheel-step p {
  font-size: 0.875rem;
  margin: 0;
}

.data-table--plain th,
.data-table--plain td {
  vertical-align: middle;
}

.data-table--compact th,
.data-table--compact td {
  padding: 13px 16px;
  vertical-align: middle;
}

.data-table--compact .cell-sub {
  margin-top: 2px;
}

.did,
.method,
.path {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  background: var(--tint);
  color: var(--ink-2);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.method {
  background: var(--accent-soft);
  color: var(--accent-2);
  font-weight: 650;
}

.path {
  white-space: normal;
  overflow-wrap: anywhere;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.subhead {
  font-size: 1rem;
  margin-bottom: 18px;
}

.subhead--spaced {
  margin-top: 44px;
}

.levels {
  border-top: 1px solid var(--line-2);
}

.level {
  display: grid;
  grid-template-columns: 46px 88px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
}

.level-code {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-2);
}

.level-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
}

.level-desc {
  font-size: 0.875rem;
  color: var(--ink-3);
}

.callout {
  margin-top: 32px;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  background: var(--tint);
  border-radius: 0 var(--r) var(--r) 0;
}

.callout p {
  margin: 0;
  font-size: 0.9375rem;
}

.thesis--roles .thesis-item,
.thesis--ecosystem .thesis-item {
  border-top: 0;
}

.thesis--roles .link-arrow {
  margin-top: 14px;
}

.trust-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.trust-strip-label {
  font-size: 0.8125rem;
  color: var(--ink-3);
  margin-right: 6px;
}

.trust-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.8125rem;
  color: var(--ink-2);
}

.trust-chip b {
  color: var(--accent-2);
  font-weight: 700;
}

.source-note {
  margin: 20px 0 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.source-note code {
  padding: 2px 6px;
  background: var(--tint);
  border-radius: var(--r-sm);
  color: var(--ink-2);
}

.chip-more {
  border-style: dashed !important;
  color: var(--accent) !important;
}

.tier-card--other {
  border-top-color: var(--ink-3);
}

/* ---------- 注册页 ---------- */

.signup-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.85fr);
  gap: 56px;
  align-items: start;
}

.form-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.form-head h2 {
  font-size: 1.35rem;
}

.form-head p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-3);
}

.form-note {
  margin: 0 0 26px;
  padding: 13px 16px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r) var(--r) 0;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.form {
  display: grid;
  gap: 20px;
}

.field {
  display: grid;
  gap: 7px;
}

.field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
}

.req {
  color: var(--warn);
}

.field input[type='text'],
.field input[type='email'],
.field input[type='password'],
.field input[type='tel'] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.9375rem;
}

.field input::placeholder {
  color: #a3a8b0;
}

.field input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(12, 107, 88, 0.12);
}

.field-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.field-row input {
  flex: 1;
  min-width: 0;
}

.field-row .btn {
  white-space: nowrap;
}

.field-hint {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.field-status {
  margin: 0;
  min-height: 18px;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.captcha-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.captcha-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  height: 46px;
  padding: 0 8px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--surface);
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--ink-3);
  overflow: hidden;
}

.captcha-box svg {
  height: 40px;
  width: auto;
}

.captcha-row input {
  flex: 1;
  min-width: 140px;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.checkbox input {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  flex: none;
}

.form-error {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--r);
  background: var(--warn-soft);
  border: 1px solid #f0d3b0;
  color: #8a4408;
  font-size: 0.875rem;
}

.btn--block {
  width: 100%;
  justify-content: center;
  padding: 13px 20px;
}

.form-foot {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
  text-align: center;
}

.form-success {
  padding: 32px;
  background: var(--accent-soft);
  border: 1px solid #c8e0d9;
  border-radius: var(--r-lg);
}

.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  margin-bottom: 16px;
}

.form-success h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.success-steps {
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
  counter-reset: step;
}

.success-steps li {
  position: relative;
  padding-left: 30px;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.success-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-steps code {
  padding: 2px 6px;
  background: var(--surface);
  border-radius: var(--r-sm);
}

.signup-aside {
  display: grid;
  gap: 16px;
  position: sticky;
  top: 92px;
}

.signup-aside .aside-card h2 {
  font-size: 1rem;
  margin-bottom: 18px;
}

.benefits {
  display: grid;
  gap: 18px;
}

.benefits li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.benefit-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r);
  background: var(--accent-soft);
  color: var(--accent-2);
  flex: none;
}

.benefits strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.benefits p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.notes {
  display: grid;
  gap: 12px;
}

.notes li {
  position: relative;
  padding-left: 16px;
  font-size: 0.8125rem;
  color: var(--ink-2);
}

.notes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- 导航下拉 ---------- */

.nav-dd {
  position: relative;
  display: inline-flex;
}

.nav-dd-btn {
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-dd-btn .i {
  color: var(--ink-3);
  transition: transform 0.18s ease;
}

.nav-dd:hover .nav-dd-btn .i,
.nav-dd.is-open .nav-dd-btn .i {
  transform: rotate(180deg);
}

.nav-dd-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: -8px;
  min-width: 264px;
  display: grid;
  gap: 2px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  z-index: 120;
}

.nav-dd:hover .nav-dd-panel,
.nav-dd:focus-within .nav-dd-panel,
.nav-dd.is-open .nav-dd-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.nav-dd-item {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: var(--r);
  color: var(--ink);
}

.nav-dd-item:hover {
  background: var(--tint);
  color: var(--ink);
}

.nav-dd-item span {
  font-size: 0.9375rem;
  font-weight: 600;
}

.nav-dd-item small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-3);
}

.nav-dd-item[aria-current='page'] span {
  color: var(--accent);
}

/* ---------- 模块入口 ---------- */

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.module-card {
  display: grid;
  gap: 12px;
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  color: var(--ink);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.module-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  color: var(--ink);
}

.module-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-card .pillar-icon {
  margin-bottom: 0;
}

.module-tag {
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
}

.module-card h3 {
  font-size: 1.25rem;
}

.module-card p {
  margin: 0;
  font-size: 0.9375rem;
}

.module-card .link-arrow {
  margin-top: 4px;
}

/* ---------- 代码块 ---------- */

.code-panel {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.code-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 16px;
  background: var(--tint);
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
  font-weight: 650;
  color: var(--ink);
}

.code-panel-tag {
  font-weight: 600;
  color: var(--accent);
}

.code-block {
  margin: 0;
  padding: 18px 20px;
  background: #101a24;
  color: #cfe1e7;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.75;
}

.code-block code {
  white-space: pre;
  font-size: inherit;
}

.code-block--sm {
  border-radius: var(--r);
}

/* ---------- 验证者步骤 ---------- */

.verify-steps {
  border-top: 1px solid var(--line-2);
}

.verify-step {
  display: grid;
  gap: 10px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-2);
}

.verify-step h3 {
  font-size: 1.0625rem;
}

.verify-step p {
  margin: 0;
  max-width: 84ch;
}

.verify-step .code-block {
  margin-top: 2px;
}

/* ---------- dshlib 模块 ---------- */

.template-list {
  border-top: 1px solid var(--line);
}

.template-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
}

.template-prefix {
  min-width: 104px;
  padding: 3px 8px;
  background: var(--accent-soft);
  color: var(--accent-2);
  border-radius: var(--r-sm);
  font-weight: 650;
  text-align: center;
}

.open-data {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 56px;
  align-items: start;
}

.facts-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.facts-inline li {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  background: var(--surface);
}

.facts-inline span {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.facts-inline b {
  font-size: 1.0625rem;
  color: var(--ink);
}

.levels--wide .level {
  grid-template-columns: 60px 130px 1fr;
  padding: 18px 0;
}

/* ---------- CHASI Vision ---------- */

.vision-lead {
  padding: 72px 0 64px;
  border-top: 1px solid var(--line);
}

.vision-lead .wrap {
  max-width: 900px;
}

.manifesto {
  margin: 0;
  padding-left: 28px;
  border-left: 3px solid var(--accent);
}

.manifesto p {
  margin: 0;
  font-size: clamp(1.3rem, 2.5vw, 1.85rem);
  line-height: 1.55;
  font-weight: 650;
  color: var(--ink);
}

.manifesto-note {
  margin: 26px 0 0;
  font-size: 1rem;
  color: var(--ink-2);
  max-width: 76ch;
}

.vision-layout {
  display: grid;
  grid-template-columns: 208px minmax(0, 1fr);
  gap: 64px;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px 88px;
}

.vision-toc {
  position: sticky;
  top: 92px;
  align-self: start;
}

.vision-toc-title {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
}

.vision-toc ul {
  display: grid;
  gap: 1px;
  border-left: 1px solid var(--line);
}

.vision-toc a {
  display: block;
  margin-left: -1px;
  padding: 7px 0 7px 14px;
  border-left: 2px solid transparent;
  font-size: 0.875rem;
  color: var(--ink-2);
}

.vision-toc a:hover {
  color: var(--accent);
  border-left-color: var(--accent);
}

.vision-toc-note {
  margin: 20px 0 0;
  font-size: 0.75rem;
  color: var(--ink-3);
  line-height: 1.7;
}

.vision-toc-note code {
  padding: 1px 5px;
  background: var(--tint);
  border-radius: var(--r-sm);
}

.vision-body {
  min-width: 0;
}

.vision-section {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.vision-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.vision-no {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

.vision-section h2 {
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  margin-bottom: 14px;
  max-width: 30ch;
}

.vision-section .lead {
  max-width: 74ch;
}

.vision-note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line-2);
  font-size: 0.875rem;
  color: var(--ink-3);
  line-height: 1.8;
  max-width: 80ch;
}

.vision-section .table-wrap {
  margin-top: 22px;
}

.vision-section .ticks {
  margin-top: 18px;
}

/* 成员 */

.member-list {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.member {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.member-kind {
  grid-row: span 2;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--accent);
}

.member-kind.is-non {
  color: var(--ink-3);
}

.member-name {
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--ink);
}

.member-desc {
  font-size: 0.9375rem;
  color: var(--ink-2);
}

/* 七个条件 */

.condition-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.condition-col {
  padding: 22px 26px 22px 0;
  border-right: 1px solid var(--line);
}

.condition-col + .condition-col {
  padding-left: 26px;
  border-right: 0;
}

.condition-col > h3 {
  font-size: 0.8125rem;
  font-weight: 650;
  color: var(--ink-3);
  margin-bottom: 14px;
}

.condition-col li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 3px 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.cond-no {
  grid-row: span 2;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent);
}

.cond-name {
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--ink);
}

.cond-desc {
  font-size: 0.875rem;
  color: var(--ink-2);
}

.question-list {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.question-list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.q-no {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

.question-list strong {
  display: block;
  font-size: 0.9375rem;
}

.question-list p {
  margin: 4px 0 0;
  font-size: 0.875rem;
}

/* 不是什么 */

.not-list {
  margin-top: 28px;
  padding: 22px 24px;
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.not-list-title {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ink-3);
}

.not-list li {
  display: flex;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.9375rem;
}

.not-list .i {
  margin-top: 5px;
  color: var(--warn);
}

.not-list .vision-note {
  margin-top: 14px;
  padding-top: 14px;
}

/* 八项能力 */

.cap-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.cap {
  padding: 20px 24px 20px 0;
  border-bottom: 1px solid var(--line);
}

.cap:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.cap:nth-child(even) {
  padding-left: 24px;
}

.cap-head {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 10px;
}

.cap-no {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

.cap-head h4 {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink);
}

.cap-does,
.cap-not {
  display: flex;
  gap: 8px;
  margin: 0 0 7px;
  font-size: 0.8125rem;
}

.cap-does .i {
  margin-top: 3px;
  color: var(--ok);
}

.cap-not .i {
  margin-top: 3px;
  color: var(--warn);
}

/* 因果责任链 */

.chain-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 22px 0 26px;
}

.chain-node {
  padding: 7px 14px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
}

.chain-arrow {
  display: inline-flex;
  color: var(--line-2);
}

/* 社会记忆 */

.two-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 28px;
}

.two-notes h4 {
  font-size: 0.9375rem;
  margin-bottom: 6px;
}

.two-notes p {
  margin: 0;
  font-size: 0.875rem;
}

/* 关系与生态 */

.relation-diagram {
  display: grid;
  margin-top: 26px;
}

.relation-node {
  display: grid;
  gap: 4px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.relation-node--top {
  background: var(--accent-soft);
  border-color: #bfdde4;
}

.relation-node b {
  font-size: 1.0625rem;
  color: var(--ink);
}

.relation-node span {
  font-size: 0.875rem;
  color: var(--ink-2);
}

.relation-node small {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.relation-interface {
  padding: 12px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.eco-list {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.eco-list li {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.eco-name {
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--ink);
}

.eco-what {
  font-size: 0.875rem;
  color: var(--ink-2);
}

/* ---------- 404 ---------- */

/* ---------- FDE 验证要求清单 ---------- */

.req-group + .req-group {
  margin-top: 44px;
}

.req-group-head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.req-group-key {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent);
}

.req-group-head h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.req-group-head p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-3);
}

.req-list {
  counter-reset: none;
}

.req {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.req-head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  margin-bottom: 12px;
}

.req-no {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
}

.req-text {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.7;
}

.req-body {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 6px 16px;
  padding-left: 64px;
}

.req-label {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.req-value {
  font-size: 0.875rem;
  color: var(--ink-2);
}

.req-value--own {
  color: var(--ink);
  font-weight: 550;
}

/* 标准链上的位置 */

.chain-pos {
  border-top: 1px solid var(--line);
}

.chain-pos-item {
  display: grid;
  grid-template-columns: 152px minmax(0, 1fr) auto;
  gap: 28px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.chain-pos-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.chain-pos-no {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

.chain-pos-head h3 {
  font-size: 1.0625rem;
}

.chain-pos-body {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 8px 16px;
}

.chain-pos-link {
  margin-top: 2px;
  white-space: nowrap;
}

/* ---------- 示例卡片与四列步骤（共建 / 工坊） ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-head h3 {
  margin: 0;
  font-size: 1.0625rem;
}

.card-sub {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.card > p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-2);
}

.card .link-arrow {
  margin-top: auto;
}

.cards--two {
  grid-template-columns: repeat(2, 1fr);
}

.steps--four {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
  .cards,
  .cards--two,
  .steps--four {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .req-group-head,
  .req-head {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }

  .req-body {
    grid-template-columns: 48px minmax(0, 1fr);
    padding-left: 42px;
    gap: 6px 10px;
  }
}

@media (max-width: 900px) {
  .chain-pos-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .chain-pos-body {
    grid-template-columns: 88px minmax(0, 1fr);
  }
}

.notfound {
  max-width: 640px;
  margin: 0 auto;
  padding: 120px 28px;
  text-align: center;
}

.notfound h1 {
  margin-bottom: 16px;
}

.notfound .hero-actions {
  justify-content: center;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-copy .lead {
    max-width: 60ch;
  }

  .stack {
    grid-template-columns: repeat(3, 1fr);
  }

  .stack-item:nth-child(3n) {
    border-right: 0;
  }

  .case-grid,
  .plan-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tier-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .doc-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }

  .doc-aside {
    position: static;
    grid-template-columns: 1fr 1fr;
  }

  .signup-grid,
  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .vision-layout {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-bottom: 64px;
  }

  .vision-toc {
    position: static;
  }

  .vision-toc ul {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    border-left: 0;
  }

  .vision-toc a {
    margin-left: 0;
    padding: 5px 12px;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    font-size: 0.8125rem;
  }

  .vision-toc a:hover {
    border-color: var(--accent);
  }

  .signup-aside {
    position: static;
  }

  .flywheel {
    grid-template-columns: 1fr 1fr;
  }

  .flywheel-step:nth-child(3n) {
    border-right: 1px solid var(--line-2);
  }

  .flywheel-step:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 900px) {
  .band {
    padding: 64px 0;
  }

  .site-nav {
    position: fixed;
    inset: 68px 0 0 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 20px 28px 40px;
    background: var(--paper);
    overflow-y: auto;
    display: none;
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .nav-link {
    padding: 14px 4px;
    font-size: 1.0625rem;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav-link.is-active {
    color: var(--accent);
  }

  .nav-link--mobile-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 20px;
    border: 0;
    background: var(--accent);
    color: #fff;
    font-weight: 650;
    padding: 14px;
  }

  .nav-link--mobile-cta:hover {
    background: var(--accent-2);
    color: #fff;
  }

  .nav-dd {
    display: block;
    width: 100%;
  }

  .nav-dd-btn {
    width: 100%;
    justify-content: space-between;
    padding: 14px 4px;
    font-size: 1.0625rem;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav-dd-panel {
    position: static;
    min-width: 0;
    padding: 0 0 6px 10px;
    background: transparent;
    border: 0;
    box-shadow: none;
    border-radius: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-dd-item {
    padding: 11px 4px;
    border-bottom: 1px solid var(--line);
  }

  .nav-dd-item small {
    display: none;
  }

  .brand-logo {
    height: 34px;
  }

  .header-actions .btn {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-header.is-open .nav-toggle-open {
    display: none;
  }

  .site-header.is-open .nav-toggle-close {
    display: block;
  }

  .layers {
    grid-template-columns: 1fr;
  }

  .layer {
    padding: 28px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .layer + .layer {
    padding-left: 0;
  }

  .tool-tier {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .knowledge-grid,
  .quality,
  .about-grid,
  .distil,
  .credit-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .contact-card--wide {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .steps,
  .quality-gates,
  .thesis,
  .tier-summary {
    grid-template-columns: 1fr;
  }

  .step,
  .gate {
    padding-bottom: 24px;
  }

  .thesis-item {
    border-right: 0;
    border-bottom: 1px solid var(--line-2);
    padding: 24px 0;
  }

  .thesis-item + .thesis-item {
    padding-left: 0;
  }

  .roadmap {
    grid-template-columns: 1fr 1fr;
  }

  .stat-grid--wide {
    grid-template-columns: 1fr 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: 28px 20px;
  }

  .stack {
    grid-template-columns: 1fr 1fr;
  }

  .stack-item:nth-child(3n) {
    border-right: 1px solid var(--line-2);
  }

  .stack-item:nth-child(2n) {
    border-right: 0;
  }

  .pillars {
    grid-template-columns: 1fr;
  }

  .condition-cols,
  .cap-list,
  .two-notes {
    grid-template-columns: 1fr;
  }

  .condition-col,
  .condition-col + .condition-col,
  .cap,
  .cap:nth-child(even) {
    padding: 20px 0;
    border-right: 0;
  }

  .condition-col + .condition-col {
    border-top: 1px solid var(--line);
  }

  .module-grid,
  .open-data {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pillar,
  .pillar + .pillar {
    padding: 26px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .pillar:last-child {
    border-bottom: 0;
  }

  .flywheel {
    grid-template-columns: 1fr;
  }

  .flywheel-step,
  .flywheel-step:not(:nth-child(3n + 1)),
  .flywheel-step:nth-child(3n),
  .flywheel-step:nth-child(2n) {
    padding: 20px 0;
    border-right: 0;
  }
}

/* 窄屏下把工具表转成堆叠卡片，避免横向滚动 */
@media (max-width: 760px) {
  .table-wrap {
    border: 0;
    border-radius: 0;
    background: transparent;
    overflow: visible;
  }

  .data-table {
    display: block;
    min-width: 0;
  }

  .data-table thead {
    display: none;
  }

  .data-table tbody {
    display: grid;
    gap: 14px;
  }

  .data-table tbody tr {
    display: block;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 18px 20px;
  }

  .data-table tbody tr:hover {
    background: var(--surface);
  }

  .data-table tbody th,
  .data-table tbody td {
    display: block;
    padding: 0;
    border: 0;
  }

  .data-table tbody th[scope='row'] {
    padding-bottom: 12px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--line);
  }

  .data-table tbody td {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: start;
    justify-items: start;
    gap: 12px;
    padding: 9px 0;
    border-top: 1px solid var(--line);
  }

  .data-table tbody td .cell-juris small {
    margin-top: 3px;
  }

  .data-table tbody td::before {
    content: attr(data-label);
    color: var(--ink-3);
    font-size: 0.8125rem;
  }

  .data-table .trigger {
    white-space: normal;
  }

  .cell-sub {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 20px;
  }

  .band {
    padding: 52px 0;
  }

  .hero {
    padding: 48px 0 56px;
  }

  .page-hero {
    padding: 40px 0 44px;
  }

  .case-grid,
  .plan-grid,
  .roadmap,
  .stat-grid,
  .stat-grid--wide,
  .doc-aside,
  .diagram-stack {
    grid-template-columns: 1fr;
  }

  .checker {
    padding: 18px;
  }

  .checker-item {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .seg {
    align-self: flex-start;
  }

  .filter-count {
    margin-left: 0;
  }

  .search {
    max-width: none;
  }

  .flow-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .flow-marker {
    width: 44px;
    height: 44px;
  }

  .quality-list li {
    grid-template-columns: 20px 1fr;
  }

  .quality-list span:last-child {
    grid-column: 2;
  }

  .compare-head,
  .compare-row,
  .contrast-head,
  .contrast-row {
    grid-template-columns: 1fr;
  }

  .compare-myth,
  .contrast-them {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .compare-head span:last-child,
  .contrast-head span:last-child {
    display: none;
  }

  .pack {
    grid-template-columns: auto 1fr;
    row-gap: 6px;
  }

  .pack-total {
    grid-column: 1 / -1;
  }

  .footer-legal {
    flex-direction: column;
    gap: 6px;
  }

  .field-pair {
    grid-template-columns: 1fr;
  }

  .level {
    grid-template-columns: 42px 1fr;
  }

  .facts-inline {
    grid-template-columns: 1fr;
  }

  .levels--wide .level {
    grid-template-columns: 42px 1fr;
  }

  .module-card {
    padding: 22px;
  }

  .template-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .member {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .member-kind {
    grid-row: auto;
  }

  .eco-list li {
    grid-template-columns: 1fr auto;
  }

  .eco-list .eco-what {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .vision-section {
    padding: 40px 0;
  }

  .manifesto {
    padding-left: 20px;
  }

  .level-desc {
    grid-column: 1 / -1;
  }

  .form-success {
    padding: 22px;
  }

  .signup-aside,
  .signup-grid {
    gap: 32px;
  }

  .closing-actions {
    width: 100%;
  }

  .closing-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}